PDF malware analysis — malicious · f12757f684f55fed

MALICIOUS

PDF

34.5 KB Created: 2021-06-20 09:15:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 2b64001b55649d825b7c7fe040a8ebb5 SHA-1: fb28ed65f5630b3fd91ff524b16ecef7298923c9 SHA-256: f12757f684f55fedf5194ca4e21c8f2ec76a0dd3cc55e2848948a45bce9c56cb

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains numerous links to external resources, many of which are presented as "hacks" or "free items" for games like Roblox and Minecraft. The primary URL http://netcdn.co/app/431946152/azure-download-roblox-hack-game-hack likely hosts a malicious payload. The heuristic PDF_SEO_LINK_FARM indicates a large number of similar links, suggesting a campaign to distribute malware through deceptive content.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://netcdn.co/app/431946152/azure-download-roblox-hack-game-hack
- https://laokhwanhos.com/ckfinder/userfiles/files/www-roblox-com-robux-free_GM431946152.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/how-to-start-a-minecraft-server-for-free_GM479516143.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/youtube-project-pokemon-roblox-hack-legebds_GM431946152.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/how-to-get-free-coins-in-roblox-pet-simulator_GM431946152.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/free-cheat-codes-for-coin-master_GM406889139.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/coin-master-free-spins-and-coins-daily_GM406889139.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/minecraft-java-code-free_GM479516143.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/free-roblox-exploit-2021_GM431946152.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/how-to-get-tiktok-famous-free_GM835599320.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/coin-master-free-spin-group_GM406889139.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/roblox-ro-ghoul-hack-rc_GM431946152.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/how-to-get-roblox-premium-for-free_GM431946152.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/free-robux-generator-2021-no-human-verification_GM431946152.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/codes-to-get-free-robux_GM431946152.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/boost9-com-roblox-hack_GM431946152.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/free-spin-links-coin-master-october-30-2021_GM406889139.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/how-to-get-free-pet-snacks-in-coin-master_GM406889139.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/todays-free-spin-and-coin-links_GM406889139.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/free-minecraft-bedrock-server-hosting_GM479516143.pdf
- https://laokhwanhos.com/ckfinder/userfiles/files/passengers-in-free-roam-in-flight-simulator-roblox-wiki_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00002eba.bin` `caefc95d3b7d62c9457082ba1ec7301913410824ba65649487d3f545401e0229`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2EBA	22320 bytes
`font_01_sfnt_off00006064.bin` `0416cc88130480ab50ce12557d73478f6b560e10cad03dc81407a9cbc79ec4cc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6064	19384 bytes

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